– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 am Tue 19 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Tue 19 May Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Tue 19 May Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryLight rain (total 3mm), mostly falling on Tue afternoon. Very mild (max 19°C on Thu afternoon, min 8°C on Tue night). Wind will be generally light. | Days 4–6 Weather SummaryModerate rain (total 14mm), heaviest on Sun night. Very mild (max 19°C on Fri afternoon, min 7°C on Sun night). Wind will be generally light. | |||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | Sunday 24 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  | |  | | | | | | | | |  | |
light rain | rain shwrs | rain shwrs | some clouds | rain shwrs | some clouds | clear | some clouds | clear | clear | some clouds | clear | some clouds | clear | clear | some clouds | light rain | heavy rain | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
0.4 | 1.6 | 0.8 | — | 0.1 | — | — | — | — | — | — | — | — | — | — | — | 1.8 | 12 | |
max °C | 9 | 11 | 10 | 13 | 15 | 13 | 17 | 19 | 16 | 16 | 19 | 16 | 16 | 19 | 15 | 13 | 13 | 9 |
min °C | 9 | 10 | 8 | 10 | 14 | 11 | 14 | 19 | 11 | 14 | 19 | 12 | 14 | 19 | 10 | 12 | 10 | 7 |
9 | 10 | 8 | 10 | 14 | 11 | 14 | 19 | 11 | 14 | 19 | 12 | 14 | 19 | 10 | 12 | 10 | 4 | |
1900 | 2100 | 2450 | 2500 | 2850 | 3150 | 3000 | 3050 | 2900 | 3000 | 3200 | 3350 | 3200 | 3150 | 2900 | 2400 | 2200 | 1750 | |
Cloud base (m) | 700 | 650 | 1650 | 900 | 1600 | 6550 | 5750 | 4750 | 2750 | 2250 | 6300 | 7350 | 2250 | 750 | 550 | |||
 | 5:22 | — | — | 5:20 | — | — | 5:18 | — | — | 5:18 | — | — | 5:16 | — | — | 5:16 | — | — |
 | — | — | 8:46 | — | — | 8:47 | — | — | 8:50 | — | — | 8:51 | — | — | 8:52 | — | — | 8:52 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Light rain (total 3mm), mostly falling on Tue afternoon. Very mild (max 19°C on Thu afternoon, min 8°C on Tue night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Moderate rain (total 14mm), heaviest on Sun night. Very mild (max 19°C on Fri afternoon, min 7°C on Sun night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.